DE69114855D1 - INTERNAL COMBUSTION ENGINE WITH VARIABLE VALVE TIMING. - Google Patents

INTERNAL COMBUSTION ENGINE WITH VARIABLE VALVE TIMING.

Info

Publication number
DE69114855D1
DE69114855D1 DE69114855T DE69114855T DE69114855D1 DE 69114855 D1 DE69114855 D1 DE 69114855D1 DE 69114855 T DE69114855 T DE 69114855T DE 69114855 T DE69114855 T DE 69114855T DE 69114855 D1 DE69114855 D1 DE 69114855D1
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
variable valve
valve timing
timing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69114855T
Other languages
German (de)
Other versions
DE69114855T2 (en
Inventor
Thomas Tsoi-Hei Ma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ford Werke GmbH
Original Assignee
Ford Werke GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ford Werke GmbH filed Critical Ford Werke GmbH
Application granted granted Critical
Publication of DE69114855D1 publication Critical patent/DE69114855D1/en
Publication of DE69114855T2 publication Critical patent/DE69114855T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/34409—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear by torque-responsive means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/024—Belt drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L2001/0478—Torque pulse compensated camshafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
    • F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
    • F01L2001/34483—Phaser return springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/18—DOHC [Double overhead camshaft]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2101—Cams
    • Y10T74/2102—Adjustable
DE69114855T 1990-09-12 1991-09-09 INTERNAL COMBUSTION ENGINE WITH VARIABLE VALVE TIMING. Expired - Fee Related DE69114855T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9019915A GB2247935A (en) 1990-09-12 1990-09-12 Camshaft drive mechanism
PCT/GB1991/001533 WO1992004532A1 (en) 1990-09-12 1991-09-09 Internal combustion engine having variable event valve timing

Publications (2)

Publication Number Publication Date
DE69114855D1 true DE69114855D1 (en) 1996-01-04
DE69114855T2 DE69114855T2 (en) 1996-04-25

Family

ID=10682069

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69114855T Expired - Fee Related DE69114855T2 (en) 1990-09-12 1991-09-09 INTERNAL COMBUSTION ENGINE WITH VARIABLE VALVE TIMING.

Country Status (5)

Country Link
US (1) US5297507A (en)
EP (1) EP0548170B1 (en)
DE (1) DE69114855T2 (en)
GB (1) GB2247935A (en)
WO (1) WO1992004532A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2285671A (en) * 1994-01-15 1995-07-19 Ford Motor Co Variable valve timing mechanism
US6532923B2 (en) 1999-12-30 2003-03-18 Dynagear, Inc. Adjustable cam sprocket
EP1114917A3 (en) 2000-01-04 2002-03-06 TCG UNITECH Aktiengesellschaft Variable phasing device
DE10013479A1 (en) * 2000-03-18 2001-09-20 Schaeffler Waelzlager Ohg Valve control time varying device for internal combustion engine has at least one sealing element in form of radially sprung sealing roller in axial groove
US6484673B1 (en) * 2000-07-06 2002-11-26 Ford Global Technologies, Inc. Internal combustion engine employing compressed gas injection and transportation vehicle having same assembled therein
US6978749B2 (en) * 2003-10-27 2005-12-27 Borgwarner Inc. Means to add torsional energy to a camshaft
US7568458B2 (en) * 2005-01-18 2009-08-04 Borgwarner Inc. Valve event reduction through operation of a fast-acting camshaft phaser

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1095017A (en) * 1965-04-28 1967-12-13 John Robert Cribbs Automatic variable valve timing device for internal combustion engines
DE3234640A1 (en) * 1982-09-18 1984-03-22 Volkswagenwerk Ag, 3180 Wolfsburg Valve gear, in particular for an internal combustion engine
GB8720052D0 (en) * 1987-08-25 1987-09-30 Jaguar Cars Cam mechanisms
US5095857A (en) * 1990-07-17 1992-03-17 Eaton Corporation Self actuator for cam phasers
JP3076390B2 (en) * 1991-03-26 2000-08-14 マツダ株式会社 Engine cam timing controller
US5181486A (en) * 1991-06-26 1993-01-26 Gyurovits John S Timing-range gear
US5219313A (en) * 1991-10-11 1993-06-15 Eaton Corporation Camshaft phase change device

Also Published As

Publication number Publication date
GB9019915D0 (en) 1990-10-24
US5297507A (en) 1994-03-29
WO1992004532A1 (en) 1992-03-19
GB2247935A (en) 1992-03-18
DE69114855T2 (en) 1996-04-25
EP0548170B1 (en) 1995-11-22
EP0548170A1 (en) 1993-06-30

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee